National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

75°F

24°C

Humidity 74%
Wind Speed S 13 mph
Barometer 30.06 in (1017.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 16 Aug 3:56 pm EDT
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Tonight

    Tonight: Showers, mainly after 2am. Low around 67. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 67 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, mainly before 11am. High near 76. Southeast wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. Light north wind.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. North wind around 5 mph becoming light and variable in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers, mainly after 2am. Low around 67. South wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, mainly before 11am. High near 76. Southeast wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Mostly cloudy, with a low around 66. Light north wind.
Tuesday
Mostly sunny, with a high near 84. North wind around 5 mph becoming light and variable in the afternoon.
Tuesday Night
Mostly clear, with a low around 63. Calm wind.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Partly sunny, with a high near 78.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Uncasville-Oxoboxo Valley CT
 41.44°N 72.12°W (Elev. 138 ft)
Last Update:
2:20 pm EDT Aug 16, 2026
Forecast Valid:
4pm EDT Aug 16, 2026-6pm EDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation